<section class='example-view' ng-init='initMethod()'>

  <!-- 控制按钮 -->
  <span ng-click='goback()' class='goBack'>返回</span>
  <span ng-click='loadExample("radar-basic")' class='codeview'>源码</span>

  <!-- 画布 -->
  <canvas id='palette'>非常抱歉，您的浏览器不支持canvas，请使用支持的浏览器重新打开!</canvas>

</section>